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A117400
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Sum of the first F(n) primes, where F(n) is the n-th Fibonacci number.
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1
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0, 2, 2, 5, 10, 28, 77, 238, 712, 2127, 6338, 18650, 54169, 156108, 446276, 1267655, 3580644, 10058726, 28122767, 78293194, 217168960, 600499371, 1655455750, 4551547326, 12483130805, 34161551088, 93304665346, 254374561667
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OFFSET
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0,2
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LINKS
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FORMULA
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MATHEMATICA
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PROG
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(Magma) [0]cat[(&+[NthPrime(j): j in [1..Fibonacci(n)]]): n in [1..30]]; // G. C. Greubel, Jun 29 2021
(Sage)
@CachedFunction
def A117400(n): return 0 if (n==0) else sum(nth_prime(j) for j in (1..fibonacci(n)))
(PARI) a(n) = sum(k=1, fibonacci(n), prime(k)); \\ Michel Marcus, Jun 30 2021
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CROSSREFS
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KEYWORD
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nonn
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AUTHOR
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EXTENSIONS
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STATUS
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approved
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